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单词
relative density
释义
relative density
n. Chem.
the ratio of the density of a substance to the density of a standard, usu. water for a liquid or solid, and air for a gas
【化】相对密度
(
通常以水作为固体和液体密度比较标准,以空气作为气体密度比较标准
)
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更新时间:2026/7/8 11:00:21